Automated flow rate machine

Details Automated flow rate machine Automated flow rate machine

1989-06-07

1991-05-21

Williams, Hezron E.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

G01N 1106

Patent

active

050164678

ABSTRACT:
An apparatus and method capable of automated flow rate measurements of thermoplastic polymers which includes mechanisms for automatically loading a test polymer into a test cavity of a heating block and mechanisms for automatically cleaning the test cavity and a piston rod movable therein. The test cavity can be provided in the heating block or can be defined by a sleeve/die insert which also serves as a sample receiving cavity and which is movable into and out of a heating block for carrying out a rheological test of polymer material received in the sleeve/die insert.

REFERENCES:
patent: 4335336 (1982-06-01), Myerholtz et al.
patent: 4680958 (1987-07-01), Ruelle et al.
patent: 4882930 (1989-11-01), Nagy et al.
Preliminary Technical Information of Robotic Scientific, Inc. "Petron MI-200 Automatic Melt Index".
ASTM D 1238-82, "Flow Rates of Thermoplastics by Extrusion Plastometer", 1982.
Bulletin 2802 of Allen-Bradley Company, Line Scan Camera.

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